drop use of bounding box to determine whether an item covers a point; add Item::covers(Duple const&)

Default implementation for Item still uses bounding box, but specializations for Arc (Circle), Polygon, Line and PolyLine have been added

1 files changed, 10 insertions, 0 deletions

diff --git a/libs/canvas/flag.cc b/libs/canvas/flag.cc
index 8eb320e74b..756b54545f 100644
--- a/libs/canvas/flag.cc
+++ b/libs/canvas/flag.cc
@@ -66,3 +66,13 @@ Flag::set_height (Distance)
 {
 	_line->set (Duple (0, 0), Duple (0, _height));
 }
+
+bool
+Flag::covers (Duple const & point) const
+{
+	if (_rectangle) {
+		return _rectangle->covers (point);
+	} 
+
+	return false;
+}